Following the current Japan crisis with the multiple disasters of earthquakes, tsunami and nuclear disasters, it becomes clear that new policy solutions need to be found that enable larger risk pooling, covering of new risks and much larger risks, especially natural disasters or man-made...

The COVID-19 pandemic has caused massive disruptions to the global economy and forced policymakers to respond to the newly created challenges. Many policy institutions have therefore had to rethink their established approaches and their usual policy responses.

This paper analyzes the impact of aging on capital accumulation and welfare in a country with a sizable unfunded social security system. Using a two-period overlapping generation model with potentially endogenous retirement decisions, the paper shows that the type of aging, i.e. declining...

Social security programs generally seek to provide insurance and to reduce poverty and inequality. Providing insurance requires little redistribution. But reducing inequality and alleviating poverty do require redistribution. To reduce inequality, programs must redistribute income, but...